How much is Brock's Onix worth?

A raw (ungraded) Brock's Onix from Gym Heroes is currently worth approximately $14.40 based on recent sales. A PSA 10 graded copy is valued at $295.06. PSA 9 copies average $60.82. Prices are based on completed sales across eBay, Goldin, and other marketplaces.

What is the PSA 10 price for Brock's Onix?

A PSA 10 graded Brock's Onix is currently valued at approximately $295.06 based on recent sales data.

What set is Brock's Onix from?

Brock's Onix is from the Gym Heroes set, card number 21.

Where can I buy Brock's Onix?

Brock's Onix listings from eBay, Goldin, and other marketplaces are tracked in real time on CardIndex at https://www.cardindex.co.

How many PSA 10 Brock's Onix exist?

According to PSA population data, there are 53 PSA 10 copies of Brock's Onix from Gym Heroes.

Brock's Onix #21 — Gym Heroes

Population

PSA296 graded

BGS6 graded

CGC102 graded

About Brock's Onix

Brock's Onix from the Gym Heroes set (#21) is a Pokemon trading card released in 2000. It has a rarity of Rare. Current fair market values for Brock's Onix are PSA 10: $295.06, PSA 9: $60.82, PSA 8: $29.52, Raw: $14.40. The most recent PSA 10 sale was $285 on March 31, 2026, with 19 sales tracked in the last 30 days. The most recent PSA 9 sale was $50 on February 27, 2026. A raw (ungraded) copy last sold for $15.85 on June 19, 2026. CardIndex has tracked 117 total sales across all grades for this card. There are currently 47 active listings for Brock's Onix.